Text 1151)
The Lord Instructs Sanātana Gosvāmī
57
as there are two energies possessed by fire—namely heat and light—these inconceivable creative energies are the natural characteristics of the Absolute Truth.’
PURPORT
This is a quotation from the  Vișñu Purăña  (1.3.2)..
TEXT 114
যয়া ক্ষেত্রজ্ঞশক্তিঃ সা বেষ্টিতা নৃপ সর্বগা । 
    সংসারতাপানখিলানবাপ্লোত্যত্র সন্ততান্ ॥ ১১৪ ॥
yayā kṣetra-jña-śaktiḥ sā veṣṭitā nṛpa sarva-gā saṁsāra-tāpān akhilān avāpnoty atra santatān
SYNONYMS
yayā —by which;  kṣetra-jña-śaktiḥ —the living entities, known as the  kṣetra-jña  potency;  sā —that potency;  veṣṭitā —covered;  nṛpa —O King;  sarva-gā —capable of going anywhere in the spiritual or material worlds;  saṁsāra-tāpān —miseries due to the cycle of repeated birth and death;  akhilān —all kinds of;  avāpnoti —obtains;  atra —in this material world;  santatān —arising from suffering or enjoying various kinds of reactions to fruitive activities.
TRANSLATION
“‘O King, the kṣetra-jña-śakti is the living entity. Although he has the facility to live in either the material or spiritual world, he suffers the threefold miseries of material existence because he is influenced by the avidyā [nescience] potency, which covers his constitutional position.
PURPORT
This and the following verse are also quoted from the  Vișhu Purăța  (6.7.62-63).
TEXT 115
তয়া তিরোহিতত্বাচ্চ শক্তি: ক্ষেত্রজ্ঞ-সংজ্ঞিতা। সর্বভূতেষু ভূপাল তারতম্যেন বর্ততে ॥ ১১৫ ॥
tayā tirohitatvāc ca śaktiḥ kṣetra-jña-samjñitā